MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b955991e4d5a58277ef2b1effb6f397c6268caa651c00f2be21aa3559104049. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



WannaCry


Vendor detections: 14


Intelligence 14 IOCs YARA 6 File information Comments

SHA256 hash: 5b955991e4d5a58277ef2b1effb6f397c6268caa651c00f2be21aa3559104049
SHA3-384 hash: 439a29f95a804f73eb68cc0f41d048b3ffdfe7adf3b21576f6146c9aa6abcb1f862f8a903625afc078f52637f7f40c97
SHA1 hash: 0c82380bc2060b07a1617a2b46ccd4966ce6127c
MD5 hash: fcd6ad3cf9eeb9e996c0255893b21bcd
humanhash: bacon-magnesium-fourteen-equal
File name:5b955991e4d5a58277ef2b1effb6f397c6268caa651c00f2be21aa3559104049
Download: download sample
Signature WannaCry
File size:5'267'459 bytes
First seen:2026-01-04 07:36:25 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'108 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 98304:T8qPoBzz1aRxcSUDk36SAEdhvxWa9P59XH:T8qP41Cxcxk3ZAEUadLH
Threatray 1'228 similar samples on MalwareBazaar
TLSH T1AA363358713CA2FCE1450DB80463896AB7733C5966FF6E0F9B8086660D53B9F6FD0A42
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10522/11/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Butter1
Tags:dll eternalblue honeypot SMB WannaCry

Intelligence


File Origin
# of uploads :
1
# of downloads :
116
Origin country :
AU AU
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
97.4%
Tags:
wannacry madi
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
File Type:
dll x32
First seen:
2019-03-28T17:52:00Z UTC
Last seen:
2019-03-28T18:31:00Z UTC
Hits:
~10
Detections:
Trojan-Ransom.Win32.Wanna.m Trojan.Win32.Eb.b Trojan.Win32.Eb.a HEUR:Trojan-Ransom.Win32.Wanna.gen HEUR:Trojan.Win32.Generic HEUR:Exploit.Win32.MS17-010.gen Exploit.Win32.MS17-010.kpn Trojan-Ransom.Win32.Wanna.sb Trojan.Win32.EquationDrug.sb HEUR:Worm.Win32.Generic HEUR:Trojan.Win32.EquationDrug.gen Trojan-Ransom.Win32.Wanna.zbu
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE Memory-Mapped (Dump)
Verdict:
Malicious
Threat:
Trojan-Ransom.Win32.Wanna
Threat name:
Win32.Ransomware.WannaCry
Status:
Malicious
First seen:
2019-03-29 01:02:50 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
34 of 36 (94.44%)
Threat level:
  5/5
Result
Malware family:
wannacry
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Creates a large amount of network flows
Executes dropped EXE
Contacts a large (3294) amount of remote hosts
Wannacry
Wannacry family
Unpacked files
SH256 hash:
5b955991e4d5a58277ef2b1effb6f397c6268caa651c00f2be21aa3559104049
MD5 hash:
fcd6ad3cf9eeb9e996c0255893b21bcd
SHA1 hash:
0c82380bc2060b07a1617a2b46ccd4966ce6127c
Detections:
WannaCry
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Armadillov1xxv2xx
Author:malware-lu
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:SUSP_Imphash_Mar23_2
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Zero hits with with search for 'imphash:x p:0' on Virustotal)
Reference:Internal Research
Rule name:WannaCry_Ransomware
Author:Florian Roth (Nextron Systems) (with the help of binar.ly)
Description:Detects WannaCry Ransomware
Reference:https://goo.gl/HG2j5T

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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